diff options
Diffstat (limited to 'libpixelflinger/codeflinger/mips_opcode.h')
| -rw-r--r-- | libpixelflinger/codeflinger/mips_opcode.h | 316 |
1 files changed, 316 insertions, 0 deletions
diff --git a/libpixelflinger/codeflinger/mips_opcode.h b/libpixelflinger/codeflinger/mips_opcode.h new file mode 100644 index 0000000..7ed5ef5 --- /dev/null +++ b/libpixelflinger/codeflinger/mips_opcode.h @@ -0,0 +1,316 @@ +/* $NetBSD: mips_opcode.h,v 1.12 2005/12/11 12:18:09 christos Exp $ */ + +/*- + * Copyright (c) 1992, 1993 + * The Regents of the University of California. All rights reserved. + * + * This code is derived from software contributed to Berkeley by + * Ralph Campbell. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the University nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * @(#)mips_opcode.h 8.1 (Berkeley) 6/10/93 + */ + +/* + * Define the instruction formats and opcode values for the + * MIPS instruction set. + */ + +#include <endian.h> + +/* + * Define the instruction formats. + */ +typedef union { + unsigned word; + +#if BYTE_ORDER == LITTLE_ENDIAN + struct { + unsigned imm: 16; + unsigned rt: 5; + unsigned rs: 5; + unsigned op: 6; + } IType; + + struct { + unsigned target: 26; + unsigned op: 6; + } JType; + + struct { + unsigned func: 6; + unsigned shamt: 5; + unsigned rd: 5; + unsigned rt: 5; + unsigned rs: 5; + unsigned op: 6; + } RType; + + struct { + unsigned func: 6; + unsigned fd: 5; + unsigned fs: 5; + unsigned ft: 5; + unsigned fmt: 4; + unsigned : 1; /* always '1' */ + unsigned op: 6; /* always '0x11' */ + } FRType; +#endif +#if BYTE_ORDER == BIG_ENDIAN + struct { + unsigned op: 6; + unsigned rs: 5; + unsigned rt: 5; + unsigned imm: 16; + } IType; + + struct { + unsigned op: 6; + unsigned target: 26; + } JType; + + struct { + unsigned op: 6; + unsigned rs: 5; + unsigned rt: 5; + unsigned rd: 5; + unsigned shamt: 5; + unsigned func: 6; + } RType; + + struct { + unsigned op: 6; /* always '0x11' */ + unsigned : 1; /* always '1' */ + unsigned fmt: 4; + unsigned ft: 5; + unsigned fs: 5; + unsigned fd: 5; + unsigned func: 6; + } FRType; +#endif +} InstFmt; + +/* + * Values for the 'op' field. + */ +#define OP_SPECIAL 000 +#define OP_BCOND 001 +#define OP_J 002 +#define OP_JAL 003 +#define OP_BEQ 004 +#define OP_BNE 005 +#define OP_BLEZ 006 +#define OP_BGTZ 007 + +#define OP_ADDI 010 +#define OP_ADDIU 011 +#define OP_SLTI 012 +#define OP_SLTIU 013 +#define OP_ANDI 014 +#define OP_ORI 015 +#define OP_XORI 016 +#define OP_LUI 017 + +#define OP_COP0 020 +#define OP_COP1 021 +#define OP_COP2 022 +#define OP_COP3 023 +#define OP_BEQL 024 /* MIPS-II, for r4000 port */ +#define OP_BNEL 025 /* MIPS-II, for r4000 port */ +#define OP_BLEZL 026 /* MIPS-II, for r4000 port */ +#define OP_BGTZL 027 /* MIPS-II, for r4000 port */ + +#define OP_DADDI 030 /* MIPS-II, for r4000 port */ +#define OP_DADDIU 031 /* MIPS-II, for r4000 port */ +#define OP_LDL 032 /* MIPS-II, for r4000 port */ +#define OP_LDR 033 /* MIPS-II, for r4000 port */ + +#define OP_SPECIAL2 034 /* QED opcodes */ +#define OP_SPECIAL3 037 /* mips32r2 opcodes */ + +#define OP_LB 040 +#define OP_LH 041 +#define OP_LWL 042 +#define OP_LW 043 +#define OP_LBU 044 +#define OP_LHU 045 +#define OP_LWR 046 +#define OP_LHU 045 +#define OP_LWR 046 +#define OP_LWU 047 /* MIPS-II, for r4000 port */ + +#define OP_SB 050 +#define OP_SH 051 +#define OP_SWL 052 +#define OP_SW 053 +#define OP_SDL 054 /* MIPS-II, for r4000 port */ +#define OP_SDR 055 /* MIPS-II, for r4000 port */ +#define OP_SWR 056 +#define OP_CACHE 057 /* MIPS-II, for r4000 port */ + +#define OP_LL 060 +#define OP_LWC0 OP_LL /* backwards source compatibility */ +#define OP_LWC1 061 +#define OP_LWC2 062 +#define OP_LWC3 063 +#define OP_LLD 064 /* MIPS-II, for r4000 port */ +#define OP_LDC1 065 +#define OP_LD 067 /* MIPS-II, for r4000 port */ + +#define OP_SC 070 +#define OP_SWC0 OP_SC /* backwards source compatibility */ +#define OP_SWC1 071 +#define OP_SWC2 072 +#define OP_SWC3 073 +#define OP_SCD 074 /* MIPS-II, for r4000 port */ +#define OP_SDC1 075 +#define OP_SD 077 /* MIPS-II, for r4000 port */ + +/* + * Values for the 'func' field when 'op' == OP_SPECIAL. + */ +#define OP_SLL 000 +#define OP_SRL 002 +#define OP_SRA 003 +#define OP_SLLV 004 +#define OP_SRLV 006 +#define OP_SRAV 007 + +#define OP_JR 010 +#define OP_JALR 011 +#define OP_SYSCALL 014 +#define OP_BREAK 015 +#define OP_SYNC 017 /* MIPS-II, for r4000 port */ + +#define OP_MFHI 020 +#define OP_MTHI 021 +#define OP_MFLO 022 +#define OP_MTLO 023 +#define OP_DSLLV 024 /* MIPS-II, for r4000 port */ +#define OP_DSRLV 026 /* MIPS-II, for r4000 port */ +#define OP_DSRAV 027 /* MIPS-II, for r4000 port */ + +#define OP_MULT 030 +#define OP_MULTU 031 +#define OP_DIV 032 +#define OP_DIVU 033 +#define OP_DMULT 034 /* MIPS-II, for r4000 port */ +#define OP_DMULTU 035 /* MIPS-II, for r4000 port */ +#define OP_DDIV 036 /* MIPS-II, for r4000 port */ +#define OP_DDIVU 037 /* MIPS-II, for r4000 port */ + +#define OP_ADD 040 +#define OP_ADDU 041 +#define OP_SUB 042 +#define OP_SUBU 043 +#define OP_AND 044 +#define OP_OR 045 +#define OP_XOR 046 +#define OP_NOR 047 + +#define OP_SLT 052 +#define OP_SLTU 053 +#define OP_DADD 054 /* MIPS-II, for r4000 port */ +#define OP_DADDU 055 /* MIPS-II, for r4000 port */ +#define OP_DSUB 056 /* MIPS-II, for r4000 port */ +#define OP_DSUBU 057 /* MIPS-II, for r4000 port */ + +#define OP_TGE 060 /* MIPS-II, for r4000 port */ +#define OP_TGEU 061 /* MIPS-II, for r4000 port */ +#define OP_TLT 062 /* MIPS-II, for r4000 port */ +#define OP_TLTU 063 /* MIPS-II, for r4000 port */ +#define OP_TEQ 064 /* MIPS-II, for r4000 port */ +#define OP_TNE 066 /* MIPS-II, for r4000 port */ + +#define OP_DSLL 070 /* MIPS-II, for r4000 port */ +#define OP_DSRL 072 /* MIPS-II, for r4000 port */ +#define OP_DSRA 073 /* MIPS-II, for r4000 port */ +#define OP_DSLL32 074 /* MIPS-II, for r4000 port */ +#define OP_DSRL32 076 /* MIPS-II, for r4000 port */ +#define OP_DSRA32 077 /* MIPS-II, for r4000 port */ + +/* + * Values for the 'func' field when 'op' == OP_SPECIAL2. + */ +#define OP_MAD 000 /* QED */ +#define OP_MADU 001 /* QED */ +#define OP_MUL 002 /* QED */ + +/* + * Values for the 'func' field when 'op' == OP_SPECIAL3. + */ +#define OP_EXT 000 +#define OP_INS 004 +#define OP_BSHFL 040 + +/* + * Values for the 'shamt' field when OP_SPECIAL3 && func OP_BSHFL. + */ +#define OP_WSBH 002 +#define OP_SEB 020 +#define OP_SEH 030 + +/* + * Values for the 'func' field when 'op' == OP_BCOND. + */ +#define OP_BLTZ 000 +#define OP_BGEZ 001 +#define OP_BLTZL 002 /* MIPS-II, for r4000 port */ +#define OP_BGEZL 003 /* MIPS-II, for r4000 port */ + +#define OP_TGEI 010 /* MIPS-II, for r4000 port */ +#define OP_TGEIU 011 /* MIPS-II, for r4000 port */ +#define OP_TLTI 012 /* MIPS-II, for r4000 port */ +#define OP_TLTIU 013 /* MIPS-II, for r4000 port */ +#define OP_TEQI 014 /* MIPS-II, for r4000 port */ +#define OP_TNEI 016 /* MIPS-II, for r4000 port */ + +#define OP_BLTZAL 020 /* MIPS-II, for r4000 port */ +#define OP_BGEZAL 021 +#define OP_BLTZALL 022 +#define OP_BGEZALL 023 + +/* + * Values for the 'rs' field when 'op' == OP_COPz. + */ +#define OP_MF 000 +#define OP_DMF 001 /* MIPS-II, for r4000 port */ +#define OP_MT 004 +#define OP_DMT 005 /* MIPS-II, for r4000 port */ +#define OP_BCx 010 +#define OP_BCy 014 +#define OP_CF 002 +#define OP_CT 006 + +/* + * Values for the 'rt' field when 'op' == OP_COPz. + */ +#define COPz_BC_TF_MASK 0x01 +#define COPz_BC_TRUE 0x01 +#define COPz_BC_FALSE 0x00 +#define COPz_BCL_TF_MASK 0x02 /* MIPS-II, for r4000 port */ +#define COPz_BCL_TRUE 0x02 /* MIPS-II, for r4000 port */ +#define COPz_BCL_FALSE 0x00 /* MIPS-II, for r4000 port */ |